Example krb5.conf to authenticate via kerberos from unix to windows

gistfile1.txt

[libdefaults]
  default_realm = CORPORATE.COMPANY.COM
  krb4_config = /etc/krb.conf
  krb4_realms = /etc/krb.realms
  kdc_timesync = 1
  ccache_type = 4
  forwardable = true
  proxiable = true
  v4_instance_resolve = false
  v4_name_convert = {
    host = {
      rcmd = host
      ftp = ftp
    }
    plain = {
      something = something-else
    }
  }
  fcc-mit-ticketflags = true

[realms]
  CORPORATE.COMPANY.COM = {
    kdc = my-dc-corporate.corporate.company.com
    default_domain = coporate.company.com
    kpasswd_server = my-dc-corporate.corporate.company.com
  }
  UTILITY.COMPANYHOSTING.NET = {
    kdc = my-dc-utility.utility.companyhosting.net
    default_domain = utility.companyhosting.net
    kpasswd_server = my-dc-utility.utility.companyhosting.net
  }
  DEVELOPMENT.COMPANY.COM = {
    kdc = my-dc-development.development.company.com
    default_domain = development.company.com
    kpasswd_server = my-dc-development.development.company.com
  }

[domain_realm]
  .corporate.company.com = CORPORATE.COMPANY.COM
  .utility.companyhosting.net = UTILITY.COMPANYHOSTING.NET
  .development.company.com = DEVELOPMENT.COMPANY.COM

[login]
  krb4_convert = true
  krb4_get_tickets = false